2539895265145 has 16 divisors (see below), whose sum is σ = 3483374652288. Its totient is φ = 1741597608960.

The previous prime is 2539895265031. The next prime is 2539895265151. The reversal of 2539895265145 is 5415625989352.

It is not a de Polignac number, because 2539895265145 - 2³⁹ = 1990139451257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473625 + ... + 2303065.

It is an arithmetic number, because the mean of its divisors is an integer number (217710915768).

Almost surely, 2^{2539895265145} is an apocalyptic number.

It is an amenable number.

2539895265145 is a deficient number, since it is larger than the sum of its proper divisors (943479387143).

2539895265145 is a wasteful number, since it uses less digits than its factorization.

2539895265145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869120.

The product of its digits is 116640000, while the sum is 64.

The spelling of 2539895265145 in words is "two trillion, five hundred thirty-nine billion, eight hundred ninety-five million, two hundred sixty-five thousand, one hundred forty-five".